Metal deficiency defect is shown by Fe 0.93 O. In the crystal, some Fe 2+ cations are missing and loss of positive charge is compensated by the presence of Fe 3+ ions. The percentage of Fe 2+ ions in the Fe 0.93 O crystals is (Nearest integer)

Question

Metal deficiency defect is shown by Fe 0.93 O. In the crystal, some Fe 2+ cations are missing and loss of positive charge is compensated by the presence of Fe 3+ ions. The percentage of Fe 2+ ions in the Fe 0.93 O crystals is (Nearest integer) (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

In Fe 0.93 O for every 93 Fe ions 14 are Fe +3 and (93 -14)=79 are Fe +2 ions ∴ % Fe +2=(79/93) × 100=84.9 % ∴ nearest integer =85 %

Q. Metal deficiency defect is shown by $F e_{0.93} O$ . In the crystal, some $F e^{2 +}$ cations are missing and loss of positive charge is compensated by the presence of $F e^{3 +}$ ions. The percentage of $F e^{2 +}$ ions in the $F e_{0.93} O$ crystals is_______ (Nearest integer)

In $F e_{0.93} O$ for every $93 F e$ ions 14 are $F e^{+ 3}$ and $(93$ $- 14) = 79$ are $F e^{+ 2}$ ions
$∴ % F e^{+ 2} = \frac{79}{93} \times 100 = 84.9%$
$∴$ nearest integer $= 85%$

Q. Metal deficiency defect is shown by Fe0.93​O. In the crystal, some Fe2+ cations are missing and loss of positive charge is compensated by the presence of Fe3+ ions. The percentage of Fe2+ ions in the Fe0.93​O crystals is_______ (Nearest integer)

In Fe0.93​O for every 93Fe ions 14 are Fe+3 and (93 −14)=79 are Fe+2 ions ∴%Fe+2=9379​×100=84.9% ∴ nearest integer =85%

Q. Metal deficiency defect is shown by $F e_{0.93} O$ . In the crystal, some $F e^{2 +}$ cations are missing and loss of positive charge is compensated by the presence of $F e^{3 +}$ ions. The percentage of $F e^{2 +}$ ions in the $F e_{0.93} O$ crystals is_______ (Nearest integer)

In $F e_{0.93} O$ for every $93 F e$ ions 14 are $F e^{+ 3}$ and $(93$ $- 14) = 79$ are $F e^{+ 2}$ ions
$∴ % F e^{+ 2} = \frac{79}{93} \times 100 = 84.9%$
$∴$ nearest integer $= 85%$